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DOI:	10.1371/journal.pone.0094938
论文题名:	Age-Related Tooth Wear Differs between Forest and Savanna Primates
作者:	Jordi Galbany; Alejandro Romero; Mercedes Mayo-Alesón; Fiacre Itsoma; Beatriz Gamarra; Alejandro Pérez-Pérez; Eric Willaume; Peter M. Kappeler; Marie J. E. Charpentier
刊名:	PLOS ONE
ISSN:	1932-6203
出版年:	2014
发表日期:	2014-4-14
卷:	9, 期:4
语种:	英语
英文关键词:	Teeth ; Baboons ; Molars ; Quartz ; Dentin ; Food ; Primates ; Sediment
英文摘要:	Tooth wear in primates is caused by aging and ecological factors. However, comparative data that would allow us to delineate the contribution of each of these factors are lacking. Here, we contrast age-dependent molar tooth wear by scoring percent of dentine exposure (PDE) in two wild African primate populations from Gabonese forest and Kenyan savanna habitats. We found that forest-dwelling mandrills exhibited significantly higher PDE with age than savanna yellow baboons. Mandrills mainly feed on large tough food items, such as hard-shell fruits, and inhabit an ecosystem with a high presence of mineral quartz. By contrast, baboons consume large amounts of exogenous grit that adheres to underground storage organs but the proportion of quartz in the soils where baboons live is low. Our results support the hypothesis that not only age but also physical food properties and soil composition, particularly quartz richness, are factors that significantly impact tooth wear. We further propose that the accelerated dental wear in mandrills resulting in flatter molars with old age may represent an adaptation to process hard food items present in their environment.
URL:	http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0094938&type=printable
Citation statistics:
资源类型:	期刊论文
标识符:	http://119.78.100.158/handle/2HF3EXSE/19746
Appears in Collections:	过去全球变化的重建影响、适应和脆弱性科学计划与规划气候变化与战略全球变化的国际研究计划气候减缓与适应气候变化事实与影响

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作者单位:

Center for the Advanced Study of Hominid Paleobiology, Department of Anthropology, The George Washington University, Washington DC, United States of America;Departament de Biologia Animal – Secció d'Antropologia, Universitat de Barcelona, Barcelona, Spain;Departamento de Biotecnología, Universidad de Alicante, Alicante, Spain;Departament de Biologia Animal – Secció d'Antropologia, Universitat de Barcelona, Barcelona, Spain;SODEPAL (Société du Parc d'Exploitation de la Lékédi)-COMILOG Society. Bakoumba, Gabon;Departament de Biologia Animal – Secció d'Antropologia, Universitat de Barcelona, Barcelona, Spain;Departament de Biologia Animal – Secció d'Antropologia, Universitat de Barcelona, Barcelona, Spain;SODEPAL (Société du Parc d'Exploitation de la Lékédi)-COMILOG Society. Bakoumba, Gabon;Behavioral Ecology & Sociobiology Unit, German Primate Center (DPZ), Göttingen, Germany;Centre d'Ecologie Fonctionnelle et Evolutive UMR 5175, CNRS, Montpellier CEDEX 5, France

Recommended Citation:

Jordi Galbany,Alejandro Romero,Mercedes Mayo-Alesón,et al. Age-Related Tooth Wear Differs between Forest and Savanna Primates[J]. PLOS ONE,2014-01-01,9(4)

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